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android wifi 設置 控製開關
public class wifi extends Activity
{
private TextView mTextView01;
private CheckBox mCheckBox01;
/* 創建WiFiManager對象 */
private WifiManager mWiFiManager01;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mTextView01 = (TextView) findViewById(R.id.myTextView1);
mCheckBox01 = (CheckBox) findViewById(R.id.myCheckBox1);
/* 以getSystemService取得WIFI_SERVICE */
mWiFiManager01 = (WifiManager)
this.getSystemService(Context.WIFI_SERVICE);
/* 判斷運行程序後的WiFi狀態是否打開或打開中 */
if(mWiFiManager01.isWifiEnabled())
{
/* 判斷WiFi狀態是否“已打開” */
if(mWiFiManager01.getWifiState()==
WifiManager.WIFI_STATE_ENABLED)
{
/* 若WiFi已打開，將選取項打勾 */
mCheckBox01.setChecked(true);
/* 更改選取項文字為關閉WiFi*/
mCheckBox01.setText(R.string.str_uncheck);
}
else
{
/* 若WiFi未打開，將選取項勾選擇消 */
mCheckBox01.setChecked(false);
/* 更改選取項文字為打開WiFi*/
mCheckBox01.setText(R.string.str_checked);
}
}
else
{
mCheckBox01.setChecked(false);
mCheckBox01.setText(R.string.str_checked);
}
/* 捕捉CheckBox的點擊事件 */
mCheckBox01.setOnClickListener(
new CheckBox.OnClickListener()
{
@Override
public void onClick(View v)
{
// TODO Auto-generated method stub
/* 當選取項為取消選取狀態 */
if(mCheckBox01.isChecked()==false)
{
/* 嚐試關閉Wi-Fi服務 */
try
{
/* 判斷WiFi狀態是否為已打開 */
if(mWiFiManager01.isWifiEnabled() )
{
/* 關閉WiFi */
if(mWiFiManager01.setWifiEnabled(false))
{
mTextView01.setText(R.string.str_stop_wifi_done);
}
else
{
mTextView01.setText(R.string.str_stop_wifi_failed);
}
}
else
{
/* WiFi狀態不為已打開狀態時 */
switch(mWiFiManager01.getWifiState())
{
/* WiFi正在打開過程中，導致無法關閉... */
case WifiManager.WIFI_STATE_ENABLING:
mTextView01.setText
(
getResources().getText
(R.string.str_stop_wifi_failed)+":"+
getResources().getText
(R.string.str_wifi_enabling)
);
break;
/* WiFi正在關閉過程中，導致無法關閉... */
case WifiManager.WIFI_STATE_DISABLING:
mTextView01.setText
(
getResources().getText
(R.string.str_stop_wifi_failed)+":"+
getResources().getText
(R.string.str_wifi_disabling)
);
break;
/* WiFi已經關閉 */
case WifiManager.WIFI_STATE_DISABLED:
mTextView01.setText
(
getResources().getText
(R.string.str_stop_wifi_failed)+":"+
getResources().getText
(R.string.str_wifi_disabled)
);
break;
/* 無法取得或辨識WiFi狀態 */
case WifiManager.WIFI_STATE_UNKNOWN:
default:
mTextView01.setText
(
getResources().getText
(R.string.str_stop_wifi_failed)+":"+
getResources().getText
(R.string.str_wifi_unknow)
);
break;
}
mCheckBox01.setText(R.string.str_checked);
}
}
catch (Exception e)
{
Log.i("HIPPO", e.toString());
e.printStackTrace();
}
}
else if(mCheckBox01.isChecked()==true)
{
/* 嚐試打開Wi-Fi服務 */
try
{
/* 確認WiFi服務是關閉且不在打開作業中 */
if(!mWiFiManager01.isWifiEnabled() &&
mWiFiManager01.getWifiState()!=
WifiManager.WIFI_STATE_ENABLING )
{
if(mWiFiManager01.setWifiEnabled(true))
{
switch(mWiFiManager01.getWifiState())
{
/* WiFi正在打開過程中，導致無法打開... */
case WifiManager.WIFI_STATE_ENABLING:
mTextView01.setText
(
getResources().getText
(R.string.str_wifi_enabling)
);
break;
/* WiFi已經為打開，無法再次打開... */
case WifiManager.WIFI_STATE_ENABLED:
mTextView01.setText
(
getResources().getText
(R.string.str_start_wifi_done)
);
break;
/* 其它未知的錯誤 */
default:
mTextView01.setText
(
getResources().getText
(R.string.str_start_wifi_failed)+":"+
getResources().getText
(R.string.str_wifi_unknow)
);
break;
}
}
else
{
mTextView01.setText(R.string.str_start_wifi_failed);
}
}
else
{
switch(mWiFiManager01.getWifiState())
{
/* WiFi正在打開過程中，導致無法打開... */
case WifiManager.WIFI_STATE_ENABLING:
mTextView01.setText
(
getResources().getText
(R.string.str_start_wifi_failed)+":"+
getResources().getText
(R.string.str_wifi_enabling)
);
break;
/* WiFi正在關閉過程中，導致無法打開... */
case WifiManager.WIFI_STATE_DISABLING:
mTextView01.setText
(
getResources().getText
(R.string.str_start_wifi_failed)+":"+
getResources().getText
(R.string.str_wifi_disabling)
);
break;
/* WiFi已經關閉 */
case WifiManager.WIFI_STATE_DISABLED:
mTextView01.setText
(
getResources().getText
(R.string.str_start_wifi_failed)+":"+
getResources().getText
(R.string.str_wifi_disabled)
);
break;
/* 無法取得或識別WiFi狀態 */
case WifiManager.WIFI_STATE_UNKNOWN:
default:
mTextView01.setText
(
getResources().getText
(R.string.str_start_wifi_failed)+":"+
getResources().getText
(R.string.str_wifi_unknow)
);
break;
}
}
mCheckBox01.setText(R.string.str_uncheck);
}
catch (Exception e)
{
Log.i("HIPPO", e.toString());
e.printStackTrace();
}
}
}
});
}
public void mMakeTextToast(String str, boolean isLong)
{
if(isLong==true)
{
Toast.makeText(wifi.this, str, Toast.LENGTH_LONG).show();
}
else
{
Toast.makeText(wifi.this, str, Toast.LENGTH_SHORT).show();
}
}
@Override
protected void onResume()
{
// TODO Auto-generated method stub
/* 在onResume重寫事件為取得打開程序當下WiFi的狀態 */
try
{
switch(mWiFiManager01.getWifiState())
{
/* WiFi已經在打開狀態... */
case WifiManager.WIFI_STATE_ENABLED:
mTextView01.setText
(
getResources().getText(R.string.str_wifi_enabling)
);
break;
/* WiFi正在打開過程中狀態... */
case WifiManager.WIFI_STATE_ENABLING:
mTextView01.setText
(
getResources().getText(R.string.str_wifi_enabling)
);
break;
/* WiFi正在關閉過程中... */
case WifiManager.WIFI_STATE_DISABLING:
mTextView01.setText
(
getResources().getText(R.string.str_wifi_disabling)
);
break;
/* WiFi已經關閉 */
case WifiManager.WIFI_STATE_DISABLED:
mTextView01.setText
(
getResources().getText(R.string.str_wifi_disabled)
);
break;
/* 無法取得或識別WiFi狀態 */
case WifiManager.WIFI_STATE_UNKNOWN:
default:
mTextView01.setText
(
getResources().getText(R.string.str_wifi_unknow)
);
break;
}
}
catch(Exception e)
{
mTextView01.setText(e.toString());
e.getStackTrace();
}
super.onResume();
}
@Override
protected void onPause()
{
// TODO Auto-generated method stub
super.onPause();
}
}
<?xml version="1.0" encoding="utf-8"?>
<manifest
xmlns:andro
package="irdc.wifi"
android:versionCode="1"
android:versionName="1.0.0">
<application
android:icon="@drawable/icon"
android:label="@string/app_name">
<activity
android:name="irdc.wifi.wifi"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<!-- 聲明WIFI以及網絡等相關權限 -->
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE"></uses-permission>
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE"></uses-permission>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>
<uses-permission android:name="android.permission.INTERNET"></uses-permission>
<uses-permission android:name="android.permission.WAKE_LOCK"></uses-permission>
</manifest>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:andro
android:background="@drawable/white"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:textColor="@drawable/blue"
android:text="@string/hello"
/>
<CheckBox
android:
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/str_checked"
android:textColor="@drawable/blue"
/>
</LinearLayout>
最後更新：2017-04-02 16:48:19